package com.bjpowernode.handler;

import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.Date;
public class MyInterceptor implements HandlerInterceptor {
    /**
     * @Author hhwu
     * @Description //TODO 拦截器类，拦截用户的请求,preHandler是最重要的。
     * @Date 16:25 2022/3/15
     **/
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        System.out.println("1111111111preHandle");
        //获取前端写入session中的值
        Object attr = request.getSession().getAttribute("name");
        String loginName = "";
        if (loginName != null)
            loginName = (String) attr;

        //判断登录者是否为zs
        if (!"zs".equals(loginName)) {
//            给用户提示
            request.getRequestDispatcher("/tips.jsp").forward(request, response);
            return false;
        }
        return true;
    }

    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView mv) throws Exception {
        System.out.println("11111111postHandle");
    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
        System.out.println("111111111111111afterCompletion");
    }
}
